Burning sensation is due to hyperacidity Gall stones if no pain so far cam be watched For diarrhea and low hemoglobin, weight loss, need to rule out malabsorption and wheat allergy

U NEED TO EVALUATED BUT FOR SYMPTOMATIC PAIN MANAGEMENT U CAN TAKE TAB VOVERAN SR 100 once whenever pain 8hour gap between first and second dose

Once the gall stone of 10 mm size is diagnosed, I think you should undergo cholecystectomy. After that if the symptoms of acidity, diarrhea and bloating still persist you can go for symptomatic treatment. Please get a Complete Health checkup package done from a reputed Laboratory and consult a General Physician. You didn't mention in how much time you lost your weight from earlier weight to 63 kg but it surely can't be only due to acidity or gall stone.

  AVOID COMPLETE SPICY FAST OUTSIDE JUNK FOOD AS U R A KNOWN CASH AS GALL STONE. NEXPRORD40 ONE IN EMPTY STOMACH FOR TEN DAYS. ENTEROGERMINA RESPULE THREE TIMES A DAY TO STOP DIARRHOEA. BREAL THE RESPULE N PUSH LIQUID IN MOUTH N CONSUM.TWO TO THREE DAYS.   MUCAIN GEL 10 ML THRICE WITHOUT WATER NOTHING BY MOUTH TILL 30 MINUTES FOR BLOT. DOM PERIDONE TWO TIMES A DAY AFTER FOOD FOR SEVEN DAYS. CHANGE LIFE STYLE N DIET PLAN DRASTICALLY.

Need few more details Kindly consult

Avoid fried food and spicy food Water intake more Green leafy vegetables and fruits Do connect and consult

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Can help you, kindly consult and provide detailed history for proper diagnosis and further management